Show stop date on assignment list view.

bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Person_viewAssignment/listbox_stop_date.xml

@@ -10,6 +10,7 @@
             <key> <string>delegated_list</string> </key>
             <value>
               <list>
+                <string>default</string>
                 <string>editable</string>
               </list>
             </value>
@@ -52,6 +53,14 @@
             <key> <string>tales</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <string></string> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string></string> </value>
@@ -71,6 +80,12 @@
             <key> <string>values</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value>
+                      <none/>
+                    </value>
+                </item>
                 <item>
                     <key> <string>editable</string> </key>
                     <value> <int>0</int> </value>